CHAPTER 1
Let’s Get Started
1
MODE
2
a
b
/
c
5
+
4
–
3
)
SHIFT
a
b
/
c
=
(
AC
AC
a
b
/
c
1
8
There are two things you need to know before we start:
To activate any function in yellow, precede it by pressing the
SHIFT
key
.
To activate any function in red, precede it by pressing the
ALPHA
key
.
Now, let’s have fun.
Evaluate
−
+
8
3
4
5
2
, expressing your answer in fraction form.
OPERATION
1
. First choose
COMP
mode.
2
. Now key in the expression.
When the calculator hangs with an “
ERROR
” message, press either
,
or
.
Express the answer in Example 1 in decimal form and improper fraction
form.
OPERATION
1
. Immediately after operations 1 and 2 in Example 1, press
2
. Now, try pressing these keys.
Right after Example 2, try pressing
followed by the Replay key
.
Example 1
COMP SD REG
1 2 3
Example 2
a
b
/
c
2
ª
5+ (4-3
ª
8)
4
ª
1
ª
40
2
ª
5+ (4-3
ª
8)
4.025
2
ª
5+ (4-3
ª
8)
161
ª
40